Microsoft Defender researchers have warned about malicious browser extensions impersonating AI assistant tools that secretly collect chat histories and browsing data from enterprise users. According to Microsoft telemetry and external reports, these malicious extensions reached approximately 900,000 installations. They were observed across more than 20,000 enterprise tenants, potentially exposing sensitive organizational information. The extensions targeted […] The post Fake AI Browser Extensions Expose Chat Data Across 20,000 Enterprises appeared first on Cyber Security News.